Physics - Mock Test 4

Question 31

1 mi is equivalent to 1609 m so 55 mph is

A) 15 m/s B) 25 m/s C) 66 m/s D) 88 m/s

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Question 32

3.2 × 2.7 =

A) 9 B) 8 C) 8.6 D) 8.64

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Question 33

The number of significant figures in 15.0 is

A) 1 B) 2 C) 3 D) 4

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Question 34

The number of significant figures in 0.00150 is

A) 2 B) 3 C) 4 D) 5

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Question 35

(7.0 × 10⁶)/(2.0 × 10⁻⁶) =

A) 3.5 × 10⁻¹² B) 3.5 × 10⁻⁶ C) 3.5 × 10¹² D) 3.5 × 10⁶

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Question 36

5.0 × 10⁵ + 3.0 × 10⁶ =

A) 8.0 × 10⁵ B) 8.0 × 10⁶ C) 5.3 × 10⁵ D) 3.5 × 10⁶

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Question 37

(5.0 × 10⁴) × (3.0 × 10⁻⁶) =

A) 1.5 × 10³ B) 1.5 × 10⁻¹ C) 1.5 × 10¹ D) 1.5 × 10³

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Question 38

(5.0 × 10⁴) × (3.0 × 10⁶) =

A) 1.5 × 10⁹ B) 1.5 × 10¹⁰ C) 1.5 × 10¹¹ D) 1.5 × 10¹²

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Question 39

Which of the following weighs about a pound

A) 0.05 kg B) 0.5 kg C) 5 kg D) 50 kg

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Question 40

A gram is

A) 10⁻⁶ B) 10⁶ C) 10⁻³ D) 10³

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